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PDF CAT5115 Data sheet ( Hoja de datos )
| Número de pieza | CAT5115 | |
| Descripción | 32-Tap Digitally Potentiometer | |
| Fabricantes | ON Semiconductor | |
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CAT5115
32‐tap Digital
Potentiometer (POT)
Description
The CAT5115 is a single digital POT designed as an electronic
replacement for mechanical potentiometers and trim pots. Ideal for
automated adjustments on high volume production lines, they are also
well suited for applications where equipment requiring periodic
adjustment is either difficult to access or located in a hazardous or
remote environment.
The CAT5115 contains a 32-tap series resistor array connected
between two terminals RH and RL. An up/down counter and decoder
that are controlled by three input pins, determines which tap is
connected to the wiper, RW. The wiper is always set to the mid point,
tap 15 at power up. The tap position is not stored in memory.
Wiper-control of the CAT5115 is accomplished with three input
control pins, CS, U/D, and INC. The INC input increments the wiper
in the direction which is determined by the logic state of the U/D input.
The CS input is used to select the device.
The digital POT can be used as a three-terminal resistive divider or
as a two-terminal variable resistor. Digital POTs bring variability and
programmability to a wide variety of applications including control,
parameter adjustments, and signal processing.
For a pin-compatible device that recalls a stored tap position on
power-up refer to the CAT5114 data sheet.
Features
32-position Linear Taper Potentiometer
Low Power CMOS Technology
Single Supply Operation: 2.5 V − 6.0 V
Increment Up/Down Serial Interface
Resistance Values: 10 kW, 50 kW and 100 kW
Available in PDIP, SOIC, TSSOP, MSOP Packages
These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS
Compliant
Applications
Automated Product Calibration
Remote Control Adjustments
Offset, Gain and Zero Control
Tamper-proof Calibrations
Contrast, Brightness and Volume Controls
Motor Controls and Feedback Systems
Programmable Analog Functions
http://onsemi.com
SOIC−8
V SUFFIX
CASE 751BD
MSOP−8
Z SUFFIX
CASE 846AD
PDIP−8
L SUFFIX
CASE 646AA
TSSOP−8
Y SUFFIX
CASE 948AL
PIN CONFIGURATIONS
INC
U/D
RH
GND
1
VCC
CS
RL
RWB
PDIP (L), SOIC (V), MSOP (Z)
1
CS
VCC
INC
U/D
TSSOP (Y)
(Top Views)
RL
RGWNBD
RH
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
Semiconductor Components Industries, LLC, 2013
June, 2013 − Rev. 11
1
Publication Order Number:
CAT5115/D
1 page  
CAT5115
Table 6. AC TEST CONDITIONS
VCC Range
Input Pulse Levels
Input Rise and Fall Times
Input Reference Levels
2.5 V VCC 6.0 V
0.2 x VCC to 0.7 x VCC
10 ns
0.5 x VCC
Table 7. AC OPERATING CHARACTERISTICS (VCC = +2.5 V to +6.0 V, VH = VCC, VL = 0 V, unless otherwise specified)
Symbol
Parameter
Min
Typ (Note 7)
Max
Units
tCI CS to INC Setup
100 − − ns
tDI U/D to INC Setup
50 − − ns
tID U/D to INC Hold
100 − − ns
tIL INC LOW Period
250 − − ns
tIH INC HIGH Period
250 − − ns
tIC INC Inactive to CS Inactive
1 − − ms
tCPH
CS Deselect Time
100 − − ns
tIW INC to VOUT Change
− 1 5 ms
tCYC
INC Cycle Time
1 − − ms
tR, tF (Note 8) INC Input Rise and Fall Time
− − 500 ms
tPU (Note 8) Power-up to Wiper Stable
– – 1 ms
7. Typical values are for TA = 25C and nominal supply voltage.
8. This parameter is periodically sampled and not 100% tested.
9. MI in the A.C. Timing diagram refers to the minimum incremental change in the W output due to a change in the wiper position.
CS
tCI
INC
U/D
tCYC
tIL tIH
tDI tID
tIC
(store)
tCPH
90% 90%
10%
tF tR
tIW
RW
Figure 5. A.C. Timing
MI(3)
http://onsemi.com
5
5 Page 
E E1
A A2
A1
TOP VIEW
D
CAT5115
PACKAGE DIMENSIONS
MSOP 8, 3x3
CASE 846AD
ISSUE O
SYMBOL
A
A1
A2
b
c
D
E
E1
e
L
L1
L2
θ
MIN
0.05
0.75
0.22
0.13
2.90
4.80
2.90
0.40
0º
NOM
0.10
0.85
3.00
4.90
3.00
0.65 BSC
0.60
0.95 REF
0.25 BSC
MAX
1.10
0.15
0.95
0.38
0.23
3.10
5.00
3.10
0.80
6º
e
SIDE VIEW
b
c
END VIEW
DETAIL A
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC MO-187.
L
L1
DETAIL A
q
L2
http://onsemi.com
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet CAT5115.PDF ] | |
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